Transformer Cores

BTT’s core fabrication process is fully certified by ISO. Quality is not negotiable and the core forms
the heart of any transformer. With state of the art precision machinery, BTT’s cores are slit and cut to
be fit for purpose and beat with endurance and power. BTT’s cores are manufactured and stacked in
house to ensure full quality control. BTT offers the following services:
 Slit, cut and pack up to 20MVA
 Slit, cut and stack up to 20MVA
 Customers can bring their own quality material to slit and/or cut
 Step lap cores
 Fully mitred cores
 Butt / square cores
 All cores have the maximum stacking factor
 Centre holes on limbs and yokes
BTT’s machinery ensures the best no load losses of the cores, which contributes to reducing noise
emissions.